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GCSE Standard Questions: Electricity in the Home

A2.

A student uses a hair dryer. The hair dryer's plug contains a fuse. The diagram below shows the fuse.

(a) Explain how the fuse prevents too large a current in the hair dryer.

(2 marks)

(b) The hair dryer is rated at 240 V, 1500W. Calculate the current rating in amps of the hair dryer.

(4 marks)

 

(c) The fuse in the hair dryer blows and the student has to replace it. The following fuses are available:

1A, 3A, 5A and 13A

(i) Which fuse should the student use?

(1 mark)

(ii) Explain your choice.

(1 mark)

(d) A hair dryer heats up air. Name one other example of electrical heating used in the home.

(1 mark)

(Total 9 marks)